1749666

Information

• Patent Grant
• 1749666

• References
• Source

• Patent Number

  1,749,666

• Date Filed

  Not available

• Date Issued

  Tuesday, March 4, 1930
  94 years ago

• CPC

  • E06B3/40 - with a vertical or horizontal axis of rotation not at one side of the opening
  • E06B3/325 - Wings opening towards the outside
  • E06B2003/343 - with at least two axes of rotation without additional frame within the wing

• US Classifications

  • 049 - Movable or removable closures